GB2016193B - Illuminated signs - Google Patents
Illuminated signsInfo
- Publication number
- GB2016193B GB2016193B GB7905325A GB7905325A GB2016193B GB 2016193 B GB2016193 B GB 2016193B GB 7905325 A GB7905325 A GB 7905325A GB 7905325 A GB7905325 A GB 7905325A GB 2016193 B GB2016193 B GB 2016193B
- Authority
- GB
- United Kingdom
- Prior art keywords
- illuminated signs
- illuminated
- signs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Road Signs Or Road Markings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE185263A BE864070A (fr) | 1978-02-17 | 1978-02-17 | Dispositif de panneaux lumineux |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2016193A GB2016193A (en) | 1979-09-19 |
GB2016193B true GB2016193B (en) | 1982-08-04 |
Family
ID=3843097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7905325A Expired GB2016193B (en) | 1978-02-17 | 1979-02-15 | Illuminated signs |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH629907A5 (it) |
GB (1) | GB2016193B (it) |
IT (1) | IT1110243B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4460940A (en) * | 1981-11-07 | 1984-07-17 | Kei Mori | Apparatus for uniform illumination employing light diffuser |
DE3302157C2 (de) * | 1983-01-22 | 1987-05-14 | Borg Instruments GmbH, 7537 Remchingen | Beleuchtungseinrichtung für eine reflexiv betriebene passive Anzeige |
GB8302772D0 (en) * | 1983-02-01 | 1983-03-02 | Pilkington Perkin Elmer Ltd | Transparent articles |
GB2134688B (en) * | 1983-02-01 | 1986-08-28 | Pilkington Perkin Elmer Ltd | Assembling transparent articles, eg solar cell covers, by use of markings |
ES2013204A6 (es) * | 1989-06-28 | 1990-04-16 | Rotulos Roura Sa | Rotulo luminoso. |
GB2263983B (en) * | 1992-02-07 | 1995-11-01 | Arragon Studios Ltd | Means for producing lighting effects |
BE1005657A6 (fr) * | 1992-10-15 | 1993-12-07 | Connolly Thomas Joseph | Enseigne. |
ES2147130B1 (es) * | 1998-06-30 | 2001-03-01 | Cristescu Maria Sa | Sistema para generar iconografias iluminadas sobre grabaciones realizadas en materiales conductores de luz. |
-
1979
- 1979-02-14 IT IT20181/79A patent/IT1110243B/it active
- 1979-02-15 GB GB7905325A patent/GB2016193B/en not_active Expired
- 1979-02-15 CH CH147679A patent/CH629907A5/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT7920181A0 (it) | 1979-02-14 |
GB2016193A (en) | 1979-09-19 |
CH629907A5 (fr) | 1982-05-14 |
IT1110243B (it) | 1985-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980215 |